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Lumens/sq. foot/steradian to Candelas/square centimeter Converter (lm/(ft²·sr) to cd/cm²)

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Live Conversion • ISO 80000-7:2019 Certified
1 Lumen/sq. foot/steradian = 0.001076391 Candela/square centimeter
1 lm/(ft²·sr) = 0.00107639 cd/cm² • 1 cd/cm² = 929.030436 lm/(ft²·sr)
Lumen/sq. foot/steradian to Candela/square centimeter: One Lumen/sq. foot/steradian is equal to 0.001076391 Candelas/square centimeter.
Certified Authority Value
0.00107639
cd/cm²
Exact: 1 cd/cm² ≡ 929.0304359661 lm/(ft²·sr)
lm/(ft²·sr)
lm/(ft²·sr)
Swap to Candela/square centimeter to Lumen/sq. foot/steradian
Swap to Candela/square centimeter to Lumen/sq. foot/steradian
cd/cm²
cd/cm² 0.001076391
Quick Values:
Conversion Formula
To convert Lumen/sq. foot/steradian to Candela/square centimeter, multiply by 0.001076391
lm/(ft²·sr) × 0.001076391 = cd/cm²

Calculation: 1 lm/(ft²·sr) × 0.001076391 = 0.001076391 cd/cm²

Common Lumen/sq. foot/steradian to Candela/square centimeter Calculations

Quick-lookup reference table showing calculated equivalents for standard increments between Lumen/sq. foot/steradian (lm/(ft²·sr)) and Candela/square centimeter (cd/cm²).

Tap any row to calculate
Lumen/sq. foot/steradian to Candela/square centimeter: Primary Direct Table (15 Steps)
Lumen/sq. foot/steradian to Candela/square centimeter Conversion Reference Table
Conversion & Equivalent Value Scientific Notation
0.001 lm/(ft²·sr) 1.076391 × 10⁻⁶ cd/cm² 1.076 × 10⁻⁶
0.01 lm/(ft²·sr) 1.076391 × 10⁻⁵ cd/cm² 1.076 × 10⁻⁵
0.1 lm/(ft²·sr) 0.000107639 cd/cm² 1.076 × 10⁻⁴
0.5 lm/(ft²·sr) 0.000538196 cd/cm² 5.382 × 10⁻⁴
1 lm/(ft²·sr) 0.00107639 cd/cm² 1.076 × 10⁻³
2 lm/(ft²·sr) 0.00215278 cd/cm² 2.153 × 10⁻³
5 lm/(ft²·sr) 0.00538196 cd/cm² 5.382 × 10⁻³
10 lm/(ft²·sr) 0.0107639 cd/cm² 1.076 × 10⁻²
20 lm/(ft²·sr) 0.0215278 cd/cm² 2.153 × 10⁻²
25 lm/(ft²·sr) 0.0269098 cd/cm² 2.691 × 10⁻²
50 lm/(ft²·sr) 0.0538196 cd/cm² 5.382 × 10⁻²
100 lm/(ft²·sr) 0.107639 cd/cm² 1.076 × 10⁻¹
250 lm/(ft²·sr) 0.269098 cd/cm² 2.691 × 10⁻¹
500 lm/(ft²·sr) 0.538196 cd/cm² 5.382 × 10⁻¹
1000 lm/(ft²·sr) 1.076391 cd/cm² 1.076 × 10⁰
Candela/square centimeter to Lumen/sq. foot/steradian: Reciprocal Summary
Candela/square centimeter to Lumen/sq. foot/steradian Conversion Reference Table
Reciprocal & Equivalent Value Scientific Notation
1 cd/cm² 929.030436 lm/(ft²·sr) 9.29 × 10²
5 cd/cm² 4645.15218 lm/(ft²·sr) 4.645 × 10³
10 cd/cm² 9290.30436 lm/(ft²·sr) 9.29 × 10³
50 cd/cm² 46451.521798 lm/(ft²·sr) 4.645 × 10⁴
100 cd/cm² 92903.043597 lm/(ft²·sr) 9.29 × 10⁴
View Complete 15-Row Candela/square centimeter to Lumen/sq. foot/steradian Table

Real-World Context & Everyday Benchmarks

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To help contextualize these units in everyday life, science, and engineering, here are verified real-world reference points for Lumen/sq. foot/steradian (lm/(ft²·sr)) and Candela/square centimeter (cd/cm²):

Lumen/sq. foot/steradian References:

  • Commercial cinema movie theater projection screen brightness 4.6452 lm/(ft²·sr)
  • Standard indoor office computer desktop monitor peak brightness 27.8709 lm/(ft²·sr)
  • High-end smartphone HDR screen peak outdoor sunlight brightness 139.35 lm/(ft²·sr)
  • Clear blue daytime sky zenith ambient luminance 464.52 lm/(ft²·sr)

Candela/square centimeter References:

  • Commercial cinema movie theater projection screen brightness 0.005 cd/cm²
  • Standard indoor office computer desktop monitor peak brightness 0.03 cd/cm²
  • High-end smartphone HDR screen peak outdoor sunlight brightness 0.15 cd/cm²
  • Clear blue daytime sky zenith ambient luminance 0.5 cd/cm²

Tap any benchmark above to automatically calculate its exact equivalent in Candela/square centimeter.

ISQ Dimension: [L⁻² J] Coherent SI Unit: candela per square meter (cd/m²) Photometry, Radiometry, Optics & Acoustics

How to Convert Lumen/sq. foot/steradian to Candela/square centimeter

Converting Lumen/sq. foot/steradian (lm/(ft²·sr)) to Candela/square centimeter (cd/cm²) is a core calculation in Luminance, which measures the photometric luminous intensity emitted or reflected per unit area in a given direction. This calculation navigates the boundary between the International Metric System (SI) and British Imperial / US Customary engineering standards. In contemporary metrology, Imperial units are defined in terms of exact SI standards via international agreements—notably NIST SP 811 and the 1959 International Yard and Pound Agreement. Exactly 1 Lumen/sq. foot/steradian equals 0.00107639 Candela/square centimeter, while 1 cd/cm² equals 929.030436 lm/(ft²·sr).

Direct Factor1 lm/(ft²·sr) = 0.00107639 cd/cm²
Inverse Ratio1 cd/cm² = 929.030436 lm/(ft²·sr)
Conversion ScaleMetric SI to British Imperial / US Customary Bridge
First-Principles SI Derivation ProofNIST SP 811 / ISO 80000 Compliance

Mathematical Conversion Derivation via Coherent SI Base Unit

Under the International System of Quantities (ISQ), dimensional conversion between non-SI units is rigorously resolved by bridging through the coherent SI base unit (candela per square meter (cd/m²)) without arbitrary rounding:

Vtarget=Vsource×(ksource→SIktarget→SI)V_{\text{target}} = V_{\text{source}} \times \left( \frac{k_{\text{source} \to \text{SI}}}{k_{\text{target} \to \text{SI}}} \right)
Universal Dimensional Conversion Law (ISO 80000 / NIST SP 811)
1. Source SI Bridge (ksource):1 lm/(ft²·sr) = 10.76391 candela per square meter (cd/m²)
2. Target SI Bridge (ktarget):1 cd/cm² = 10000 candela per square meter (cd/m²)
Step-by-step substitution for Lumen/sq. foot/steradian → Candela/square centimeter:V(cd/cm²) = V(lm/(ft²·sr)) × ( 10.76391 / 10000 ) = V(lm/(ft²·sr)) × 0.00107639
Mathematical FormulaValue in Candela/square centimeter = Value in Lumen/sq. foot/steradian × 0.001076391Direct computational formula applied for standard conversion.
Worked Example

To convert 12 Lumen/sq. foot/steradian (lm/(ft²·sr)) to Candela/square centimeter (cd/cm²): multiply 12 by 0.00107639 to get 0.0129167 cd/cm². At an industrial engineering scale, 5000 lm/(ft²·sr) converts to 5.381955 cd/cm².

Inverse check: 1 cd/cm² = 929.030436 lm/(ft²·sr).

Understanding Lumen/sq. foot/steradian and Candela/square centimeter

Lumen/sq. foot/steradian

lm/(ft²·sr)
Imperial / US

A Lumen/sq. foot/steradian (lm/(ft²·sr)) is an imperial and US customary unit for luminance.

Applications & Practical Context

In practical luminance terms, a commercial cinema movie theater projection screen brightness equals 4.6452 lm/(ft²·sr), a standard indoor office computer desktop monitor peak brightness equals 27.8709 lm/(ft²·sr), a high-end smartphone HDR screen peak outdoor sunlight brightness equals 139.35 lm/(ft²·sr).

Physical Setup

A physical magnitude of 1 lm/(ft²·sr) corresponds to 10.76391 cd/m² in standard SI measurement.

Conversion to SI Unit: candela per square meter (cd/m²)
1 lm/(ft²·sr) = 10.76391 cd/m²

Candela/square centimeter

cd/cm²
Standard Unit

A Candela/square centimeter (cd/cm²) is a recognized unit for luminance.

Applications & Practical Context

In practical luminance terms, a commercial cinema movie theater projection screen brightness equals 0.005 cd/cm², a standard indoor office computer desktop monitor peak brightness equals 0.03 cd/cm², a high-end smartphone HDR screen peak outdoor sunlight brightness equals 0.15 cd/cm².

Physical Setup

A physical magnitude of 1 cd/cm² corresponds to 10000 cd/m² in standard SI measurement.

Conversion to SI Unit: candela per square meter (cd/m²)
1 cd/cm² = 10000 cd/m²

Domain Metrology & Engineering Applications

Governing Law & Equation

Surface Photometric Radiance (L_v = d²Φ_v / (dA·cosθ·dΩ))

Measurement Instrumentation

Rigorously quantified in laboratory and field settings using narrow-angle spot luminance meters, imaging colorimeters, and spectroradiometers.

Primary Industry Sectors

Applied across OLED/LCD display brightness calibration (nits), road tunnel entrance lighting, avionics cockpit HUD readability, and highway signage legibility under international metrology standard ISO 80000-7:2019, CIE 018:2019.

Physical Orders of Magnitude & Laboratory Reference Benchmarks

Physical Phenomenon / Engineering ReferenceReference ValueConverted to Candela/square centimeter
Commercial cinema movie theater projection screen brightness50 cd/m²0.0538196 cd/cm²
Standard indoor office computer desktop monitor peak brightness300 cd/m²0.322917 cd/cm²
High-end smartphone HDR screen peak outdoor sunlight brightness1500 cd/m²1.614587 cd/cm²
Clear blue daytime sky zenith ambient luminance5000 cd/m²5.381955 cd/cm²
Institutional Metrology & Standard Authority:

Formulas, conversion coefficients, and base definitions on this page strictly adhere to the ISO 80000-7:2019, CIE 018:2019 and the BIPM SI Brochure (9th Edition). Governed by Surface Photometric Radiance (L_v = d²Φ_v / (dA·cosθ·dΩ)) under ISO 80000 dimensional vector [L⁻² J].

Multi-Variable Engineering Bridge Display Brightness & Surface Emission

Surface Luminance to Total Luminous Intensity Bridge (Candela • Candlepower • Hefnerkerze • Millicandela • Kilocandela)

Calculate total directional luminous intensity I_v = L_v × A from emissive displays and optical diffusers, bridging surface luminance [L⁻² J] and luminous intensity [J] via aperture area (A).

I_v = L_v × A
Vector: [cd/m²] × [m²] → [cd]
Live Calculated Bridge Equivalent:
1 lm/(ft²·sr) at 15.6" Laptop Display (0.067 m²) = 0.7212 cd
Equals 0.7356 cp • 0.7983 HK • 0.07515 carcel
SI Luminous Intensity
0.7212
cd
Candela
Historical English
0.7356
cp
Candlepower
German Standard
0.7983
HK
Hefnerkerze
French Standard
0.07515
carcel
Carcel Unit
Indicator LED
721.18
mcd
Millicandela
Lighthouse Beacon
0.0007212
kcd
Kilocandela
  1. 1. Normalize Input to SI Base Unit (cd/m²):
    L_v = 1 lm/(ft²·sr) × 10.76391 = 10.76391 cd/m²
  2. 2. Apply Engineering Parameter (A):
    Selected condition: 15.6" Laptop Display (0.067 m²) at A = 0.067 m²
  3. 3. Execute Governing Physical Law in SI Units:
    I_v = L_v × A = (10.76391 cd/m²) × (0.067 m²) = 0.721182 cd
  4. 4. Convert to Standard Engineering Units:
    • cd: 0.721182 × 1 = 0.7212 cd (Candela) • cp: 0.721182 × 1.02 = 0.7356 cp (Candlepower) • HK: 0.721182 × 1.107 = 0.7983 HK (Hefnerkerze) • carcel: 0.721182 × 0.1042 = 0.07515 carcel (Carcel Unit) • mcd: 0.721182 × 1000 = 721.18 mcd (Millicandela) • kcd: 0.721182 × 0.001 = 0.0007212 kcd (Kilocandela)
Explore Luminous Intensity Converter →
Engineering Substance / Operating Standard Parameter Value (m²) Reference State / Condition Typical Industrial & Engineering Application
6.1" Smartphone Screen (0.009 m²) 0.009 0.009 m² (90 cm²) OLED mobile display panel surface aperture
15.6" Laptop Display (0.067 m²) 0.067 0.067 m² (670 cm²) Commercial notebook IPS screen aperture
55" Ultra HD Television (0.834 m²) 0.834 0.834 m² (8,340 cm²) Living room 4K LED/OLED television surface
LED Replacement Bulb Frosted Lens (0.005 m²) 0.005 0.005 m² (50 cm²) Standard A19 household diffuser globe
Commercial Outdoor LED Billboard (18 m²) 18 18.0 m² (194 ft²) Highway electronic digital billboard face
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Frequently Asked Questions

There are exactly 0.001076391 candelas/square centimeter (cd/cm²) in 1 lumen/sq. foot/steradian (lm/(ft²·sr)). To calculate larger amounts manually, simply multiply your total number of lumens/sq. foot/steradian by the conversion multiplier of 0.001076391.

The mathematical formula to convert lumens/sq. foot/steradian to candelas/square centimeter is: [value] * 0.001076391 = candelas/square centimeter. Rather than doing the math manually, you can use our high-precision online calculator to process this exact equation instantly without rounding errors.

To perform the reverse calculation from candelas/square centimeter back to lumens/sq. foot/steradian, you must divide your starting value by 0.001076391. Our bidirectional tool automatically computes this inverse equation the moment you type into the candela/square centimeter input field.

1 Candela/square centimeter is larger than 1 Lumen/sq. foot/steradian. Specifically, 1 Lumen/sq. foot/steradian equals 0.001076391 candelas/square centimeter, meaning 1 Candela/square centimeter is 929.0304 times larger than 1 Lumen/sq. foot/steradian (a difference of 2.97 orders of magnitude). Expressing measurements in lumens/sq. foot/steradian requires a larger numerical value to represent the equivalent physical magnitude.

Under standard international measurement guidelines, 1 Lumen/sq. foot/steradian converts to 0.001076391 candelas/square centimeter. Precise numerical conversion factors ensure consistency across laboratory, engineering, and field data.

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